baber/WOPTO huggingface dataset:
Patent JP-2011108843-A (JP)
Title: Surface mounting solid electrolytic capacitor
Inventor: KAWAI HARUHIRO
IPC: H01G9/008
Filed: 2009-11-17
Abstract: <P>PROBLEM TO BE SOLVED: To improve reliability of a surface mounting solid electrolytic capacitor as well as prevention against short-circuiting between an anode portion and a cathode portion.  <P>SOLUTION: A capacitor element of the surface mounting solid electrolytic capacitor has an anode body 11 made of valve action metal, an end of the anode body 11 is connected to an anode terminal 18 through an anode conductive piece 17 and a conductive adhesive 21, and a silver electrode layer 16 is connected to a cathode terminal 19 through the conductive adhesive 21. Here, the capacitor element is provided with a resist formation portion 25 formed of a resist layer 13 between the anode electrode piece 17 connected to the end of the anode body and an end of a cathode portion, and the silver electrode layer 36.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011108575-A (JP)
Title: Led unit and dental led shadowless lamp
Inventor: UCHIDA KOJI
IPC: F21S2/00
Filed: 2009-11-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an LED unit and a dental LED shadowless lamp capable of achieving improvement of assembling property of a lighting fixture.  <P>SOLUTION: In the shadowless LED unit 10 equipped with an LED 16 and a reflecting mirror 12 which is arranged opposing to the LED 16 and reflects light of the LED 16, at the reflecting mirror 12, a plurality of connected recessed reflecting mirrors 14 are formed so that a prescribed irradiation range 21A at a position separated by a prescribed distance is irradiated. At both end portions of these recessed reflecting mirrors 14, a shadowless reflecting face 18 is installed so that a light beam of the LED 16 is directed to the center region Ra in the prescribed range.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010170990-A (JP)
Title: Light source module and illuminating device
Inventor: OGAWA KOZO
IPC: F21S2/00
Filed: 2009-11-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light source module and an illumination device that reduce brightness unevenness caused by a plurality of point-like light-emitting parts and improve appearance.  <P>SOLUTION: The light source module 11 includes a module substrate 14, a metal conductor 15 that is installed in a prescribed pattern on the front side face of the module substrate 14, a plurality of semiconductor light-emitting elements 19 electrically connected to the metal conductor 15 and mounted on the front side face of the module substrate 14, a white diffusion reflecting layer 17 that includes a plurality of holes 17a in which semiconductor light-emitting elements 19 are arranged is formed thinner than the thickness of the semiconductor light-emitting elements 19, and is laminated on the front side face of the module substrate 14, and a light-transmitting sealing member 24 mixed with phosphor in which semiconductor light-emitting elements 19 are embedded and that protrudes below the diffusion reflecting layer 17.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011113314-A (JP)
Title: Settings control program
Inventor: KONDO KATSUJI
IPC: G06F3/12
Filed: 2009-11-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a settings control program for allowing a user to easily confirm and change settings information including paper type and paper weight, and efficiently using the settings information.  <P>SOLUTION: In the settings control program to be driven by a device that uses settings information for printing which includes paper type and paper weight, the device functions as a settings control part which, in displaying a list of a plurality of settings information registered in advance, displays a screen in which cells corresponding to the settings information are arranged like a matrix on a display part by using the paper type and the paper weight as items of the matrix, and displays cells having common specific settings information other than the paper type and paper weight on the screen in the same display format.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011112546-A (JP)
Title: Device and method for measuring gas component in gas
Inventor: DOBASHI SHINSAKU
IPC: G01N21/65
Filed: 2009-11-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device and a method for measuring a gas component in gas capable of measuring the gas component in the measuring object gas stably for a long period in one-time gas measurement.  <P>SOLUTION: The device for measuring the gas component in the gas for measuring the gas component in the measuring object gas from Raman scattered light and plasma emission generated by laser light with which the measuring object gas is irradiated includes a laser device 13 for irradiating the measuring object gas 11 with first laser light 12, a wavelength converter 15 for converting the wavelength of the first laser light 12 into second laser light 14, a photodetector 17 for measuring the Raman scattered light 16 generated by irradiation with the converted second laser light 14, a laser delay line 18 of the first laser light 12 for delaying the first laser light 12; and the photodetector 17 for measuring the plasma emission 19 generated by irradiation with the delayed first laser light 12.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011113494-A (JP)
Title: Log acquisition control in log audit system
Inventor: IMAI SATOSHI
IPC: G06F11/30
Filed: 2009-11-30
Abstract: <P>PROBLEM TO BE SOLVED: To avoid inhibition of printing even when the capacity of a disk of a user PC is reduced.  <P>SOLUTION: When a hard disk of a PC is in a Disk Full state wherein a free space of the hard disk is equal to or below a certain value, log acquisition is stopped. When the hard disk of the PC is in a Near Full state wherein the free space of the hard disk is equal to or below preset capacity, a log accumulation speed is reduced by reducing the number of pages to narrow down the object of logs and to reduce the capacity, whereby a period for which logs can be acquired till the Disk Full state is extended.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011119854-A (JP)
Title: Imaging device
Inventor: KOYAMA KAZUNA
IPC: H04N5/232
Filed: 2009-12-01
Abstract: <P>PROBLEM TO BE SOLVED: To overcome the problem with a conventional imaging device, wherein, when continuously played back at a certain frame rate, video imaged at a plurality of frame rates, field angle change rates due to zooming in the respective scenes are resultantly different from one another, and the video is difficult to view.  <P>SOLUTION: Based on a control signal from a control microcomputer 8 in accordance with a set frame rate, the zoom speed is variably controlled by movably controlling the position of a zoom lens 2 by a lens driver 3, and the field angle change rate between frames are made constant, making the video in playback easier to see.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010053138-A (JP)
Title: Obesity-preventing/improving agent
Inventor: SHIMOTOYOTOME REI
IPC: A23L33/20
Filed: 2009-12-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a material for an obesity-preventing/improving agent exhibiting the effects of preventing and improving onset of various lifestyle-related diseases such as hyperlipemia, and also for materials of foods, medicinal products and the like, having high safety and wide application and scarcely impairing texture.  <P>SOLUTION: The invention relates to an obesity-preventing/improving agent comprising a hydroxypropylated starch as an active ingredient. There is disclosed the use of the hydroxypropylated starch for obesity prevention and improvement (excluding the medical use for humans).  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010159087-A (JP)
Title: Double pack packaging bag for drinking water and packaging structure co-filled with drinking water and extraction element
Inventor: FUTASE KATSUNORI
IPC: B65D30/22
Filed: 2009-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a double pack packaging bag for drinking water, which can maintain a fresh state at the first stage of filling for a long time without degrading the flavor of an extraction liquid such as a tea or a coffee or the like which is co-filled together with a filter bag for enclosing an extraction element.  <P>SOLUTION: The double pack packaging bag comprises a flexible packaging bag in which a flat filmlike check nozzle 1, which produces check function to prevent open air from invading into the bag by close adhesion between films when a liquid material is present in a spouting passage formed between piled flexible laminated plastic films, is provided projectingly on an edge of a packaging bag body 2 composed of the flexible laminated film and the filter bag enclosing the extraction element such as the tea, the coffee or a fruit which is stored in the flexible packaging bag under airtightness together with a liquid filled and sealed in the liquid.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010131396-A (JP)
Title: Hand-held ultrasound system
Inventor: HYUN DONG GYU
IPC: G16H30/40
Filed: 2009-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hand-held ultrasound system which can be held and operated by one hand.  <P>SOLUTION: The hand-held ultrasound system comprises: an ultrasound probe configured to transmit and receive ultrasound signals to and from a target object to thereby output receive signals; a body configured and sized to be held by a single hand of a user, form ultrasound images of the target object based on the receive signals, and provide a touch screen menu; a touch screen mounted on the body, including a display and a touch response surface, the touch screen being configured to display the ultrasound images and the preset touch screen menu for graphic user interface for allowing the user to input user instructions, wherein the preset touch screen menu is displayed corresponding to proximity to a location of the touch panel touched by the user.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010166041-A (JP)
Title: Target supply unit
Inventor: YABU TAKAYUKI
IPC: H05G2/00
Filed: 2009-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a target supply unit which can prevent uneven exposure due to the variations in the position, at which extreme-ultraviolet light is reflected and collected by suppressing a variation of pressure exerted on a target within less than 1 kPa.  <P>SOLUTION: In a target supply unit 1, a gas pressure in a tank 30, which contains molten tin 34 that is a liquid target material to be output through a nozzle 31, is controlled by a gas pressure fed from a compressed gas cylinder 40, having a pressure regulator 41. The target unit 1 has a gas-flowing path L1 which introduces gas supplied from the compressed gas cylinder 40 to the tank 30, and a pressure controller 51, which is installed in the gas-flowing path L1 and more precisely controls the gas pressure flowing the gas-flowing path L1 than a pressure controller 41.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011126653-A (JP)
Title: Rope for elevator
Inventor: MURAI MICHIO
IPC: D07B1/16
Filed: 2009-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rope for an elevator having a stable friction coefficient not depending on a sliding velocity.  <P>SOLUTION: The rope for an elevator includes a rope body, and a resin cover layer covering an outer periphery of the rope body and comprising a molded body of a thermoplastic polyurethane elastomer using a polytetramethylene glycol modified body having a melting point of 15°C or less as a raw material polyol component. It is preferable that the used polytetramethylene glycol modified body is a copolymer of tetrahydrofuran and neopentyl glycol or a copolymer of tetrahydrofuran and 3-methyltetrahydrofuran.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011133309-A (JP)
Title: Combination metering apparatus
Inventor: MATSUO YOICHI
IPC: G01G19/387
Filed: 2009-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a combination metering apparatus which performs various kinds of processings relating to defective articles.  <P>SOLUTION: A determination unit 6 recognizes the weight value of an unloaded article, by subtraction of the total weight of a plurality of articles when a worker unloads the plurality of articles placed on one metering unit 2, in a plurality of metering units 2 from each metering unit 2. Then, the determination unit 6 determines a separate metering unit 2 for placing an unloaded article (non-defective article) to sort the articles to each rank, based on the recognized weight value. Even when an article is one which should be sorted as a non-defective article, the determination unit 6 determines a separate metering unit 2 for placing the article (defective article). A grouping unit 7 groups each of the plurality of metering units 2 into a plurality of groups, based on the ranks (L-size, M-size, S-size, and defective article).  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010079929-A (JP)
Title: Theft detection device
Inventor: SHINADA SATORU
IPC: B60R25/04
Filed: 2009-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a theft detection device for effectively preventing on-vehicle electronic equipment from being thieved.  <P>SOLUTION: The theft detection device manages a code number inherent to each on-vehicle electronic equipment, a password and a contact address in a database. On the other hand, the on-vehicle electronic equipment requests a user to input the password at a predetermined point of time, and transmits the password and the inherent code number to the theft detection device. Thus, the theft detection device authenticates the password to thereby discriminate whether a normal user (that is, an owner) has performed a password input operation or an illegal user who has thieved the electronic equipment has performed the password input operation, and when detecting the occurrence of the theft, the normal user is notified on the basis of the contact address information.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010118669-A (JP)
Title: Method of manufacturing semiconductor device
Inventor: EGAWA NOBORU
IPC: H01L25/065
Filed: 2009-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a semiconductor device which has good electrical properties even when embedding two or more laminated semiconductor chips by a mold material containing a filler.  <P>SOLUTION: The method of manufacturing a semiconductor device includes a process which cuts a wafer in which an adhesive layer has been formed to obtain a silicon chip in which the adhesive layer has been formed, wherein the wafer is cut so that each cutting surface of the silicon chip and the adhesive layer may have a leaning to the adhesion surface.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011134937-A (JP)
Title: Proximity-scanning exposure apparatus and method of controlling the same
Inventor: KONDO TOSHIYUKI
IPC: H01L21/027
Filed: 2009-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a proximity-scanning exposure apparatus, along with a method of controlling the same, capable of performing a composite molding for highly accurate exposure, even in a proximity-scanning exposure method.  <P>SOLUTION: The proximity-scanning exposure apparatus includes a substrate-transferring mechanism to transfer a substrate W in a predetermined direction, a plurality of mask holders 11a, 11c disposed in a staggering manner along the direction crossing the predetermined direction for holding a plurality of masks M with patterns Mp1 to Mp4 formed thereon, a plurality of mask actuators, and a plurality of irradiators disposed on the upper part of a plurality of mask holders. Exposure light is irradiated through the mask M to the substrate W transferred in the predetermined direction to expose the patterns of the mask M on the substrate. A plurality of patterns are arranged in the mask M, and a mask actuator is operated during an exposure process. A composite-molding operation can be performed for the highly accurate exposure, even in the proximity-scanning exposure method in which the substrate is continuously transferred at a constant speed by supplying a mask pattern changeover function for changing over the patterns Mp1 to Mp4.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2010161772-A (JP)
Title: Method for scheduling wake/sleep cycles by central device in wireless network
Inventor: LIAO NING
IPC: H04W52/02
Filed: 2009-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for scheduling wake/sleep cycles by a central device in a wireless network.  <P>SOLUTION: A wireless network includes at least one mobile device. The method includes the steps of: attributing a wake/sleep cycle length to each mobile device, wherein the wake/sleep cycle length is an integer multiple of a system schedule cycle; assigning a sleep period and a wake period within the wake/sleep cycle of each mobile device; and arranging the wake/sleep cycle of each mobile device to avoid collision of the wake period with those of other mobile devices. The invention can keep the maximum sleep cycle period of each mobile station (MS) to guarantee the QoS requirement and to efficiently utilize the system bandwidth.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2011139135-A (JP)
Title: Communication system and telephone exchange apparatus, and control method
Inventor: KAWAUCHI YOSHIHIRO
IPC: H04L12/66
Filed: 2009-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To reliably perform communication between a terminal on a global network and a terminal on a private network by reducing the number of setting ports of port forwarding to be set in an NAT (Network Address Translator) router.  <P>SOLUTION: Only information on an IP (Internet Protocol) address and on a port number of an IP telephone apparatus BT are registered beforehand in the NAT rooter RT1. In the IP telephone apparatus BT, an address map table in which private telephone numbers, IP addresses and port numbers of IP telephone sets T11, T21, are correlated with each other is stored in a memory. When call connection is established between the IP telephone sets T11 and T21, the IP telephone apparatus BT refers to the address map table, and when the NAT rooter RT1 is interposed on a communication link, notifies the IP telephone set T21 connected to an IP network NW side of an IP address and a port number of the IP telephone apparatus's own apparatus as an IP address and a port number of a communication partner, and brings the communication link between the IP telephone sets T11, T21 into a sound gateway 16.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011139223-A (JP)
Title: Cover member, method for manufacturing cover member wafer and method for manufacturing cover member
Inventor: OBA KENJI
IPC: H03H9/02
Filed: 2009-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cover member which can be joined to an element loading member without providing a flange part and has high productivity, wherein deformation and damage due to distortion in the case of joining can be prevented, to provide a method for manufacturing the cover member, and to provide a method for manufacturing a cover member wafer.  <P>SOLUTION: The method for manufacturing a cover member wafer includes: a resist adhering step of making a resist adhere to both principal planes of a cover member wafer made of metal provided with a portion to be a plurality of cover members; a first resist removing step of removing the resist of a portion which is one principal plane of the portion to be the respective cover members and overlaps an opening of a recessed space for a component element; a recessed space for component element formation step of using an etching technique to provide the portion to be the respective cover members with the recessed space for a component element; and the whole resist removing step of removing the whole resist adhering to the cover member wafer.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011137096-A (JP)
Title: Resin particle for light-diffusing film, method for producing the same, and light-diffusing film
Inventor: MATSUMOTO SATORU
IPC: G02B5/02
Filed: 2009-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide resin particles for a light-diffusing film having a low refractive index and excellent monodispersion property, by growing seed particles into a desired range of particle diameter without using an additive (a swelling assistance or the like) that requires a recovery process.  <P>SOLUTION: A method for producing resin particles for a light-diffusing film is provided, including steps of: preparing seed particles by polymerizing a non-fluorinated vinyl monomer in the presence of chain transfer agent; and while absorbing or after absorbing a monomer mixture containing 30 to 95 wt.% of a vinyl fluoride monomer and 5 to 50 wt.% of a crosslinking vinyl monomer to the seed particles until the seed particles swell by 35 to 120 times, polymerizing the monomer mixture to obtain resin particles for a light-diffusing film, the particles having an average particle diameter of 10 to 50 μm.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2009534584-A (JP)
Title: 過給機付内燃機関用の脱気及び通気装置
IPC: F02B37/00
Filed: 2007-04-19
Abstract: 本発明は、クランクケース（３）からブローバイ・ガスを排出するための、内燃機関（１）用の脱気及び通気装置（１９）であって、第１配管（２０）と、第２配管（２１）とを備え、第１配管（２０）は、一方の端部がクランクケース（３）に接続され、他方の端部が過給機（１０）の下流で新気配管（７）に接続され、脱気弁（２３）を有しており、また、第２配管（２１）は、一方の端部が過給機（１０）の上流で新気配管（７）に接続され、他方の端部がクランクケース（３）に接続され、絞り装置（２８）と、クランクケース（３）に対する流れを遮断する逆止弁（２９）とを有し、この逆止弁（２９）は、絞り装置（２８）に対して並列に設けられている、脱気及び通気装置（１９）に関するものである。 【選択図】図１
Patent JP-2009536700-A (JP)
IPC: A47B96/00
Filed: 2007-05-10
Abstract: Furniture hinge with damping device which is insertable into the box of the hinge and fixable therein before the box is assembled with the other components of the hinge. In this way the damping device is protected against external actions, such as impact or pressure that can damage or affect the functioning of the device, by the same box made of steel or of another rigid material.
Patent JP-2009536641-A (JP)
Title: Ｖｃａｍ−１特異的モノクローナル抗体
IPC: G01N33/53
Filed: 2007-05-31
Abstract: 本発明は、ヒトおよびマウスのＶＣＡＭ−１の両方ともに特異的に結合するモノクローナル抗体、これらの製造方法、これらを含む診断または治療用組成物、およびこれらを用いた診断または治療方法に関する。また、本発明のモノクローナル抗体は、ヒトおよびマウスＶＣＡＭ−１に特異的に結合する最初の組み換えモノクローナル抗体であり、ヒトおよびマウス内皮細胞だけでなく、ラット骨格筋および豚内皮細胞で発現されたＶＣＡＭ−１にも強い親和力を示し、白血球と活性化された内皮細胞との相互作用を強く阻害する。したがって、本発明に係るモノクローナル抗体は、ＶＣＡＭ−１によって媒介された、内皮細胞への白血球の接着を効果的に阻害してＶＣＡＭ−１関連疾患、特に炎症性疾患および癌を効果的に治療することができる。
Patent JP-2009536514-A (JP)
Title: 振動数調節を介した自由ピストン機械の振動制御
IPC: F25B9/14
Filed: 2007-03-07
Abstract: 本発明は機械装置の機械的振動の振幅を最小化するための方法および装置であり、この機械装置は駆動される機械の往復運動する質量に結合されて駆動振動数で往復運動に駆動する自由に直線往復運動する原動機を含む。結合された原動機および駆動される機械は、主な系の往復運動の共振振動数を有する主な共振系を形成するように往復運動する質量に力を加えるバネを有する。駆動される機械が許容可能な作動効率で作動する駆動振動数の範囲が決定され保存される。振動の振幅または作動温度等の機械装置の作動のパラメータが感知され、原動機は感知したパラメータに応じて、駆動振動数で駆動されるが、この駆動振動数は、主な系の往復運動の共振振動数からずれており、作動効率が許容可能な駆動振動数の範囲内であり、既存の作動条件下で機械装置の機械的振動の振幅を減少または最小化させる振動数である。
Patent JP-2009539055-A (JP)
Title: ガスバーナノズル
IPC: F23L7/00
Filed: 2007-05-18
Abstract: 本発明は、火炎作業用のガスバーナノズルであって、複数の管（１３）から成っている中央の酸素供給部と、該酸素供給部の周りに配置された燃焼ガス供給用の複数の管（１１，１２）とが設けられている形式のものに関する。このような形式のガスバーナノズルにおいて本発明の構成では、酸素供給用の管がそれぞれグループ毎に配置されていて、個々のグループが互いに同軸的にかつ互いに隣接して配置されていて、各グループがリング状に配置された少なくとも２つの管列から成っている。
Patent JP-2009539635-A (JP)
Title: 改良型のプラズモンカップリング装置
IPC: G01N21/27
Filed: 2007-06-12
Abstract: 【課題】新規なナノ粒子プラズモン装置、及びその製造方法の提供。 【解決手段】第１の構造と、２つ以上の導電性ナノ粒子を含む第２の構造を含んでなるプラズモンカップリング装置。詳細には、各ナノ粒子は細長い構造を有し、その長軸が当該第１の構造に対して実質的に垂直な方向を向いた状態で当該第１の構造に接着している。また、プラズモンカップリング装置の製造方法。詳細には当該方法は、第１の構造を形成するステップと、当該第１の構造の表面上に、２つ以上の穿孔を有する絶縁材料を形成することによって、２つ以上の導電性ナノ粒子を含んでなる第２の構造を形成するステップと、少なくとも２つの当該穿孔内にナノ粒子を形成させるステップを含んでなり、それらの各ナノ粒子は細長い形状を有し、その長軸が、当該第１の構造に対して実質的に垂直となる態様で配置される。 【選択図】図１
Patent JP-2009540095-A (JP)
Title: ポリマー材料
IPC: C08G65/40
Filed: 2007-06-13
Abstract: ポリマー材料は、そのポリマー基本骨格にフェニル部位、ケトン部位およびエーテル部位を含む。このポリマー材料の核形成温度（Ｔｎ）とガラス転移温度（Ｔｇ）との差は２３℃より大きい。
Patent JP-2010530522-A (JP)
Title: ルビジウム−８１含有組成物の製造および使用方法
IPC: G21G4/08
Filed: 2007-06-19
Abstract: 本発明は、ルビジウム−８１を含有する造影組成物の調製に関する。さらに、本発明は、例えば、心筋造影等の画像診断におけるルビジウム−８１含有組成物の使用に関する。１つの局面において、本発明は、放射性非Ｒｂ不純物のないＲｂ−８１を含有する溶液を含む造影組成物を調製する方法を提供する。この方法は、Ｒｂ−８１と結合したカチオン交換材料をカチオン溶液で溶出して樹脂からＲｂ−８１を放出する工程を含む。他の局面において、本発明は、薬学的に許容可能なカチオン溶液中に放射性臭素、マンガン、コバルト等の放射性非Ｒｂ不純物のないＲｂ−８１を含有する薬学的に許容可能な溶液を含む造影組成物を提供する。